[Buildroot] [PATCH 1/5] imx-codec: add install hooks to fix libraries path

[Gary Bisson]

By default, all the libraries are installed under /usr/lib/imx-mm
which causes problems at runtime.

The hooks are inspired from the mechanism used in the Yocto recipe:
https://github.com/Freescale/meta-fsl-arm/blob/krogoth/recipes-multimedia/imx-codec/imx-codec.inc

Tested with the following commands:
 # gst-launch-0.10 audiotestsrc ! mfw_mp3encoder ! fakesink
 # gst-launch-1.0 audiotestsrc ! imxmp3audioenc ! fakesink

Signed-off-by: Gary Bisson <gary.bisson at boundarydevices.com>
---

Here is the list of plugins that couldn't find the codecs at runtime:
$ for i in `find target/usr/lib/gstreamer*/*.so`; do readelf -d $i \
  | grep NEEDED | grep lib_ && echo "($i)"; done
 0x00000001 (NEEDED) Shared library: [lib_nb_amr_dec_arm9_elinux.so.2]
 0x00000001 (NEEDED) Shared library: [lib_wb_amr_dec_arm9_elinux.so.2]
(target/usr/lib/gstreamer-0.10/libmfw_gst_amrdec.so)
 0x00000001 (NEEDED) Shared library: [lib_peq_arm11_elinux.so.1.fhw]
(target/usr/lib/gstreamer-0.10/libmfw_gst_audio_pp.so)
 0x00000001 (NEEDED) Shared library: [lib_mp3_enc_arm12_elinux.so.2]
(target/usr/lib/gstreamer-0.10/libmfw_gst_mp3enc.so)
 0x00000001 (NEEDED) Shared library: [lib_mp3_enc_arm12_elinux.so.2]
(target/usr/lib/gstreamer-1.0/libgstimxaudio.so)

Regards,
Gary

---
 package/freescale-imx/imx-codec/imx-codec.mk | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/package/freescale-imx/imx-codec/imx-codec.mk b/package/freescale-imx/imx-codec/imx-codec.mk
index 67d3390..266f47f 100644
--- a/package/freescale-imx/imx-codec/imx-codec.mk
+++ b/package/freescale-imx/imx-codec/imx-codec.mk
@@ -20,4 +20,11 @@ endef
 # FIXME The Makefile installs both the arm9 and arm11 versions of the
 # libraries, but we only need one of them.
 
+define IMX_CODEC_FIXUP_TARGET_PATH
+	find $(TARGET_DIR)/usr/lib/imx-mm -mindepth 2 -maxdepth 3 -not -type d \
+		-exec mv {} $(TARGET_DIR)/usr/lib \;
+	rm -fr $(TARGET_DIR)/usr/lib/imx-mm
+endef
+IMX_CODEC_POST_INSTALL_TARGET_HOOKS += IMX_CODEC_FIXUP_TARGET_PATH
+
 $(eval $(autotools-package))
-- 
2.8.1